/Engine/Source/Runtime/Core/Public/Containers/SortedMap.h
Sets the value associated with a key.
A reference to the value as stored in the map (only valid until the next change to any key in the map).
template<typename InitKeyType, typename InitValueType> [ValueType](API\Runtime\Core\Containers\TSortedMap\ValueType) & Emplace ( InitKeyType && InKey, InitValueType && InValue )